Home / 12,113.76-18,171.60-3,348.66

Finding the Fourth Proportional to 12,113.76, 18,171.60 and 3,348.66

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Solution

The fourth proportional to 12,113.76, 18,171.60 and 3,348.66 is: 5,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.76 : 18,171.60 = 3,348.66 : x
  2. Step 2: Convert to fraction form
    12,113.76/18,171.60 = 3,348.66/x
  3. Step 3: Cross multiply
    12,113.76x = 18,171.60 × 3,348.66
  4. Step 4: Simplify right side
    12,113.76x = 60,850,510.06
  5. Step 5: Solve for x
    x = 60,850,510.06/12,113.76
  6. Step 6: Final answer
    x = 5,023.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.